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https://issues.apache.org/jira/browse/HBASE-14659?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14968539#comment-14968539
 ] 

stack commented on HBASE-14659:
-------------------------------

bq. Could all tests run MR without MiniMapReduceCluster? It seems to be much 
faster.

This is a radical suggestion. I think it a good one. We don't need to 'test' 
clustered MR especially in a unit test. Suggest bringing it up on dev list as a 
discussion point [~chenheng]

> Fix flakey TestHFileOutputFormat
> --------------------------------
>
>                 Key: HBASE-14659
>                 URL: https://issues.apache.org/jira/browse/HBASE-14659
>             Project: HBase
>          Issue Type: Bug
>            Reporter: Heng Chen
>
> As i said in HBASE-14654
> This testcase was hanged twice recently.   
> the two QA information:
> https://builds.apache.org/job/PreCommit-HBASE-Build/16118/console
> https://builds.apache.org/job/PreCommit-HBASE-Build/16117/console
> I notice that the two QA running simultaneously on same machine H0.
> I doubt If there are some common resources the two QA conflicts.



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